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particle physics

Q&A

The Case for Complex Dark Matter

August 20, 2015

The physicist James Bullock explains how a complicated “dark sector” of interacting particles may illuminate some puzzling observations of the centers of galaxies.

Multimedia

Theories of Everything, Mapped

August 3, 2015

Explore the deepest mysteries at the frontier of fundamental physics, and the most promising ideas put forth to solve them.

Physics

A New Theory to Explain the Higgs Mass

May 27, 2015

Three physicists have proposed a new solution to one of the deepest mysteries in particle physics: why the Higgs boson has such a tiny mass.

particle physics

‘Penguin’ Anomaly Hints at Missing Particles

March 20, 2015

A statistical anomaly in the signal from rare particle decays at the Large Hadron Collider offers hope that new discoveries might be around the corner.

Q&A

Science’s Path From Myth to Multiverse

March 17, 2015

In his latest book, the Nobel Prize winner Steven Weinberg explores how science made the modern world, and where it might take us from here.

particle physics

In LHC’s Shadow, America’s Collider Awakens

March 6, 2015

The Relativistic Heavy Ion Collider fired up for its 15th run to take a deeper look at the building blocks of atoms.

Reaching for the Multiverse
Infinity and Beyond: The Ultimate Test

Multiverse Collisions May Dot the Sky

November 10, 2014

Early in cosmic history, our universe may have bumped into another — a primordial clash that could have left traces in the Big Bang’s afterglow.

Infinity and Beyond: The Ultimate Test

In a Multiverse, What Are the Odds?

November 3, 2014

Testing the multiverse hypothesis requires measuring whether our universe is statistically typical among the infinite variety of universes. But infinity does a number on statistics.

astrophysics

Dwarf Galaxies Dim Hopes of Dark Matter

October 25, 2014

For five years physicists have been tantalized by possible evidence of dark matter in the Milky Way’s center. But new results from small satellite galaxies have complicated the story.